2003 Vol. 28, No. 6
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2003, 28(6): 583-592.
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Abstract:
The relief in the eastern Kunlun Mountains, northeast Tibetan plateau is characteristic of a series of NWW-SEE ranges alternating with basins or valleys. The distribution of Quaternary deposits and facies match well with the relief, exposing the moun...
The relief in the eastern Kunlun Mountains, northeast Tibetan plateau is characteristic of a series of NWW-SEE ranges alternating with basins or valleys. The distribution of Quaternary deposits and facies match well with the relief, exposing the moun...
2003, 28(6): 593-600.
Abstract:
The Qinghai-Tibet plateau, the best field laboratory for continental dynamics, involves many scientific problems in the frontiers and hotspots of modern earth sciences. Up to now, a lot of models including plate tectonics cannot rationally explain ke...
The Qinghai-Tibet plateau, the best field laboratory for continental dynamics, involves many scientific problems in the frontiers and hotspots of modern earth sciences. Up to now, a lot of models including plate tectonics cannot rationally explain ke...
2003, 28(6): 601-605.
Abstract:
The paper discusses the nature and evolution of reef based on the study of the Early-Middle Permian reef section in Maerzheng, eastern Kunlun and the sequence stratigraphy of the reef. The reef can be divided into 12 reef-building cycles, including 5...
The paper discusses the nature and evolution of reef based on the study of the Early-Middle Permian reef section in Maerzheng, eastern Kunlun and the sequence stratigraphy of the reef. The reef can be divided into 12 reef-building cycles, including 5...
2003, 28(6): 606-614.
Abstract:
Early Paleozoic volcanic rocks developed in Nuomuhong area can be devided into two types. One is the basic volcanic assemble, mainly consisting of tholeiite basalts with low SiO2 and alkali. Its characteristics of REE, trace elements and tectonic set...
Early Paleozoic volcanic rocks developed in Nuomuhong area can be devided into two types. One is the basic volcanic assemble, mainly consisting of tholeiite basalts with low SiO2 and alkali. Its characteristics of REE, trace elements and tectonic set...
2003, 28(6): 615-620.
Abstract:
Five important tectonic events in Cenozoic can be divided according to the study of its stratigraphic sequences and relief, drainage system and environment change in the east of the eastern Kunlun Mountains. The first discovery of the paleosoil and p...
Five important tectonic events in Cenozoic can be divided according to the study of its stratigraphic sequences and relief, drainage system and environment change in the east of the eastern Kunlun Mountains. The first discovery of the paleosoil and p...
2003, 28(6): 621-626.
Abstract:
The Cenozoic geomorphological evolution investigation method is used for 1∶250 000 scale geological mapping in Qinghai-Tibet plateau, which clarifies the geomorphological features and geomorphological distributing and their ages and also helps the an...
The Cenozoic geomorphological evolution investigation method is used for 1∶250 000 scale geological mapping in Qinghai-Tibet plateau, which clarifies the geomorphological features and geomorphological distributing and their ages and also helps the an...
2003, 28(6): 627-633.
Abstract:
HP garnet-pyroxenite and the mafic granulites formed by decompression have been found in the high-Himalaya crystallinites (HHC) from Kada-Zaxang near Dingri County, Tibet. The mineral assemblage of the HP garnet-pyroxenite in early stage, Grt+Cpx (ri...
HP garnet-pyroxenite and the mafic granulites formed by decompression have been found in the high-Himalaya crystallinites (HHC) from Kada-Zaxang near Dingri County, Tibet. The mineral assemblage of the HP garnet-pyroxenite in early stage, Grt+Cpx (ri...
2003, 28(6): 634-638.
Abstract:
Naxing Formation of Upper Carboniferous in Dingri and Dingjie, Tibet, is a terrigeneous clastic deposit with huge thickness. Gravity flow facies including collapse, debris flow and turbite facies are distinguished firstly in the middle part of the fo...
Naxing Formation of Upper Carboniferous in Dingri and Dingjie, Tibet, is a terrigeneous clastic deposit with huge thickness. Gravity flow facies including collapse, debris flow and turbite facies are distinguished firstly in the middle part of the fo...
2003, 28(6): 639-644.
Abstract:
The study area lying in the north slope of the middle part of Himalayan orogen involves abundant representative tectonic landforms. Based on the field survey, this paper works out several tectonic landforms: faulting landforms, granite landforms, pla...
The study area lying in the north slope of the middle part of Himalayan orogen involves abundant representative tectonic landforms. Based on the field survey, this paper works out several tectonic landforms: faulting landforms, granite landforms, pla...
2003, 28(6): 645-652.
Abstract:
This paper discusses the uplift and exhumation processes during Mesozoic in Halaguole-Hatu area, east segment of the eastern Kunlun, by dating the zircon and apatite fission-track ages and geobarometer analysis of the hornblende of intermediate-acidi...
This paper discusses the uplift and exhumation processes during Mesozoic in Halaguole-Hatu area, east segment of the eastern Kunlun, by dating the zircon and apatite fission-track ages and geobarometer analysis of the hornblende of intermediate-acidi...
2003, 28(6): 652-652.
Abstract:
2003, 28(6): 653-659.
Abstract:
This article studies systematically the petrology and geochemistry of the volcanic rocks of Haidewula area, east Kunlun orogenic belt, Qinghai Province. Based on the section, isotopic dating and regional strata contrasting, it has determined that thi...
This article studies systematically the petrology and geochemistry of the volcanic rocks of Haidewula area, east Kunlun orogenic belt, Qinghai Province. Based on the section, isotopic dating and regional strata contrasting, it has determined that thi...
2003, 28(6): 660-668.
Abstract:
The paper describes the sedimentary environment, basin framework and tectonic paleogeography in different regions in the joint of Qinling, Qilian and eastern Kunlun, Northwest China. It analyzes the facies change, overlapping and time transverse of t...
The paper describes the sedimentary environment, basin framework and tectonic paleogeography in different regions in the joint of Qinling, Qilian and eastern Kunlun, Northwest China. It analyzes the facies change, overlapping and time transverse of t...
2003, 28(6): 669-674.
Abstract:
Sporopollen analysis to aeolian sand section at the east bank of the Alakehu, eastern Kunlun, shows a climate variance process in recent 2 000 a which happened 4 periods of warm and cold alternation. The warm periods occurred during 20-180, 330-410, ...
Sporopollen analysis to aeolian sand section at the east bank of the Alakehu, eastern Kunlun, shows a climate variance process in recent 2 000 a which happened 4 periods of warm and cold alternation. The warm periods occurred during 20-180, 330-410, ...
2003, 28(6): 675-679.
Abstract:
The study on the drainage system in the north slope of the eastern Kunlun Mountains indicates that the E-W trending basin-mountain geomorphology was formed after the Kunlun-Yellow River tectonic movement. This tectonic movement established the early ...
The study on the drainage system in the north slope of the eastern Kunlun Mountains indicates that the E-W trending basin-mountain geomorphology was formed after the Kunlun-Yellow River tectonic movement. This tectonic movement established the early ...
2003, 28(6): 680-684.
Abstract:
The digital processing of the TM image of Laguigangri area, such as K-L transform, K-T transform, and ratio operation has confirmed in the result images, the typical three-layer configuration of Laguigangri metamorphic core complex zone. Moreover, th...
The digital processing of the TM image of Laguigangri area, such as K-L transform, K-T transform, and ratio operation has confirmed in the result images, the typical three-layer configuration of Laguigangri metamorphic core complex zone. Moreover, th...
2003, 28(6): 685-689.
Abstract:
This paper formulates the characteristics of several field survey profiles and the topography and landforms. Dating the strata by OSL, ESR and 14C, the authors establish a stratigraphic system of Early Pleistocene, Middle Pleistocene and Late Pleisto...
This paper formulates the characteristics of several field survey profiles and the topography and landforms. Dating the strata by OSL, ESR and 14C, the authors establish a stratigraphic system of Early Pleistocene, Middle Pleistocene and Late Pleisto...
2003, 28(6): 690-694.
Abstract:
Laguigangri Mountains are composed of a series of chain-like swellings trending west and east. They all are vaults where there are a lot of metamorphic rocks and detachment faults, and so they are naturally related to each other. The research of chem...
Laguigangri Mountains are composed of a series of chain-like swellings trending west and east. They all are vaults where there are a lot of metamorphic rocks and detachment faults, and so they are naturally related to each other. The research of chem...
2003, 28(6): 695-701.
Abstract:
Laguigangri metamorphic core complexes (MCC) occurred in paternoster shape in south Tibet. Leucogranites, distributed in the core or detachment of the MCC, form the famous northern Himalayan leucogranites belt. They actively emplaced and occurred in ...
Laguigangri metamorphic core complexes (MCC) occurred in paternoster shape in south Tibet. Leucogranites, distributed in the core or detachment of the MCC, form the famous northern Himalayan leucogranites belt. They actively emplaced and occurred in ...
2003, 28(6): 702-706.
Abstract:
The study objective is to investigate the feasibility of using XRF technique to research mining environmental geochemistry and to reveal the pattern of trace elements in mining environment. A high sensitive EDXRF analyzer was adopted to study environ...
The study objective is to investigate the feasibility of using XRF technique to research mining environmental geochemistry and to reveal the pattern of trace elements in mining environment. A high sensitive EDXRF analyzer was adopted to study environ...
